Source: Karel Appel – the complete sculptures,' (1990), p. 93   'Quotes', K. Appel (1989)
Appel's quote is referring to his sculpture 'Monument for Walt Whitman', dedicated to the American poet
                                    
Karel Appel: Quotes about time
Karel Appel was Dutch painter, sculptor, and poet. Explore interesting quotes on time.Quote in a letter of Karel Appel from Paris to Aldo van Eyck, October 1950; as quoted in (MR1-85); Karel Appel, a gesture of colour, Jean-François Lyotard, (original French text of 1992 based upon intensive correspondence with Karel Appel), Christine Buci-Glucksmann, Herman Parret; University Press, Leuven, Belgium, 2009, p. 99
                                        
                                        Quote from 'The eye of the beholder', Carlo McCormick 
Karel Appel – the complete sculptures,' (1990) not-paged
                                    
Source: Karel Appel – the complete sculptures,' (1990), p. 79 'Quotes', K. Appel (1989)
                                        
                                        Appel is referring to his sculpture 'State of liberty' 
Source: Karel Appel – the complete sculptures,' (1990), p. 85   'Quotes', K. Appel (1989)
                                    
Karel Appel's excerpt', c. 1953